Example #1
0
func askForGreenLight() bool {
	url, err := http.ParseURL(sys.TangraServerURL)
	if err != nil {
		panic("tangra, bad URL")
	}
	req := &http.Request{
		Method:    "GET",
		URL:       url,
		Close:     true,
		UserAgent: sys.Name + "-Client-Tangra",
	}
	req.Header = make(map[string]string)
	req.Header["Tonika-Build"] = sys.Build
	req.Header["Tonika-Released"] = sys.Released

	// Connect
	conn, err := net.Dial("tcp", "", url.Host)
	if err != nil {
		if conn != nil {
			conn.Close()
		}
		return true
	}
	cc := http.NewClientConn(conn, nil)

	// Send request
	err = cc.Write(req)
	if err != nil {
		cc.Close()
		conn.Close()
		return true
	}
	resp, err := cc.Read()
	if err != nil {
		cc.Close()
		conn.Close()
		return true
	}
	cc.Close()
	conn.Close()

	if resp.Header == nil {
		return true
	}
	green, ok := resp.Header["Green"]
	if !ok {
		return true
	}
	green = strings.TrimSpace(green)
	if green == "Halt" {
		return false
	}
	return true
}
Example #2
0
func MakeMonitor(dumper json.Marshaler, reportURL string, every int64) *Monitor {
	key, err := crypto.ParseCipherMsgPubKey(sys.MonitorPubKey)
	if err != nil {
		panic("invalid monitor key")
	}
	mon := &Monitor{dumper, key}
	url, err := http.ParseURL(reportURL)
	if err != nil {
		panic("mon, bad report URL")
	}
	go mon.report(url, every)
	return mon
}